| Item Name | Hose Assembly Air Breathing |
| Federal Supply Group (FSG) | Pipe Tubing Hose and Fittings |
| Federal Supply Class (FSC) | 4720 Hose and Tubing Flexible |
| National Item Identification Number (NIIN) | 01-213-3773 (012133773) |
| NCB Code | USA (01) |
| Manufacturer | R E Darling Co Inc, Air Force United States Department |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | ROUND |
| AAGT | WALL THICKNESS | 0.688 INCHES NOMINAL |
| AARX | INSIDE DIAMETER | 0.375 INCHES NOMINAL FIRST END |
| AWLS | CONNECTION TYPE | GROUND JOINT EXTERNALLY THREADED TAILPIECE W/ UNION NUT FIRST END |
| CRXX | MEASURING METHOD AND LENGTH | 6.000 INCHES NOMINAL OVERALL |
| MATT | MATERIAL | COTTON OR WOOL 2ND PLY |
| MATT | MATERIAL | RUBBER SILICONE CLASS Q 1ST PLY |
| MATT | MATERIAL | STEEL CORROSION RESISTING REINFORCING WIRE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423,FORM 1,COMP 302,COND 3 FED SPEC SINGLE MATERIAL RESPONSE REINFORCING WIRE |
| STYL | STYLE DESIGNATOR | FULLY CONVOLUTED |
| Relevant Components for NSN - 4720-01-213-3773, 4720012133773 | ||||
| 4730-01-436-2114 (4730014362114) | 4710-01-202-7787 (4710012027787) | 4720-01-526-5273 (4720015265273) | 4720-01-408-1219 (4720014081219) | |
| 4730-01-622-4160 (4730016224160) | 4720-01-589-9450 (4720015899450) | 4720-01-201-5242 (4720012015242) | 4730-00-409-1688 (4730004091688) | |
| 4720-01-137-0340 (4720011370340) | 4710-01-512-8267 (4710015128267) | 4720-01-703-1112 (4720017031112) | 4730-01-478-4701 (4730014784701) | |
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